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Estimated delivery time: 20-39 business days
Make a striking statement at the rear of your BMW E46 M3 or CSL with the high-quality, full carbon fiber diffuser from Carboproject. This exclusive component combines uncompromising lightweight construction with a distinctive motorsport look, making your vehicle stand out from the crowd.
Made from 100% genuine carbon fiber and manufactured in Germany, the rear diffuser impresses with its superior craftsmanship, perfect fit, and elegant finish. It replaces the original part without any modifications and provides an instantly visible upgrade.
Product Features:
- Full carbon fiber construction: Maximum weight savings with high stability
- 100% perfect fit: Easy replacement of the original part
- Made in Germany: Not a replica – genuine quality from German manufacturing
- Individual options: Available in glossy or matte finish and various carbon fiber weaves
- OEM+ look: Perfect integration into the original vehicle design with a sporty upgrade
With the full carbon fiber rear panel, you can transform the rear of your E46 M3 / CSL into a true highlight – inspired by motorsport and built to the highest standards of design and quality.

FAQ
Do you ship worldwide?
Yes, we deliver worldwide. We run discounts and special offers throughout the year, so stay tuned for exclusive deals.
Which payment methods do you offer?
- American Express
- Apple Pay
- Google Pay
- Klarna
- Maestro
- Mastercard
- PayPal
- Shop Pay
- Visa
How long will it take to receive my order?
The delivery times can be seen on the respective products. Further delivery details will be provided in your confirmation email.
Are custom-made products possible?
We have already been able to win the trust of customers from all over the world through our inventiveness, know-how and flexibility in processing.
If you want to stand out from the "gray crowd" with individual, absolutely neatly crafted vehicle parts, or if you often want to hear a secret "wow", then you've come to the right place.
WE OFFER THE FOLLOWING SERVICES:
- Custom and one-off products in fiber composite technology (carbon, aramid (Kevlar), glass fiber
- Improved appearance by coating various components with real carbon
- Master model and mold construction
- Repair of cracks in plastic and carbon fiber parts
Have a question?
You can reach us via our contact page! We will be happy to help you.










